Check the time. Like… really! Check it! VMware PSC queries Windows Server NTP Service

I won't forget to double, double, double check a local NTP service ever again. Everyone knows, if something does not work, it's DNS. I agree. But almost as important as the reverse/forward DNS lookup is the correct time given by a local NTP service. I learned it the really hard way and will probably tell… Continue reading Check the time. Like… really! Check it! VMware PSC queries Windows Server NTP Service

vSphere Replication fails at validation to DR site

I recently came across an error where I needed to set up a replication between two datacenters using the VMware vSphere Replication appliance. The appliances on both sides were updated to versionĀ 6.5.1.1832 Build 6128217 and the vCenter Server appliances as well as the ESXi hosts were on the latest build at 6.5. The environment was… Continue reading vSphere Replication fails at validation to DR site

[HOW TO] Unknown root / GRUB passwd prior to VMware vCSA upgrade

I was facing another really annoying issue recently which was quite new for me. While looking for an acceptable solution I came across a website from Lingeshwaran Rangasamy which I do not want to hide as it describes how to fix it in a few steps. Many kudos to @UnixArena. Hope he doesn't mind my… Continue reading [HOW TO] Unknown root / GRUB passwd prior to VMware vCSA upgrade

[INFO] vCSA 6.5U1 timesyncd fallback servers

I was talking to a friend of mine earlier this week about a situation regarding a newly installed VMware vCenter Server Appliance 6.5U1 and was looking for an explanation, which is why this blog post is created. It's just an information about my findings. I was setting up a new vCSA 6.5U1 recently and discovered… Continue reading [INFO] vCSA 6.5U1 timesyncd fallback servers